X-Git-Url: https://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Ffunction%2FSetLanguage.java;fp=tim%2Fprune%2Ffunction%2FSetLanguage.java;h=d54e1be2cdef26eab604ce3358e059a3d839d22e;hb=1ee49ae3c8ef3aa2e63eadd458531e5f8bd4f92c;hp=0000000000000000000000000000000000000000;hpb=112bb0c9b46894adca9a33ed8c99ea712b253185;p=GpsPrune.git diff --git a/tim/prune/function/SetLanguage.java b/tim/prune/function/SetLanguage.java new file mode 100644 index 0000000..d54e1be --- /dev/null +++ b/tim/prune/function/SetLanguage.java @@ -0,0 +1,332 @@ +package tim.prune.function; + +import java.awt.BorderLayout; +import java.awt.Component; +import java.awt.FlowLayout; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.io.BufferedReader; +import java.io.File; +import java.io.FileReader; +import java.util.Locale; + +import javax.swing.BorderFactory; +import javax.swing.Box; +import javax.swing.BoxLayout; +import javax.swing.JButton; +import javax.swing.JComboBox; +import javax.swing.JDialog; +import javax.swing.JFileChooser; +import javax.swing.JLabel; +import javax.swing.JOptionPane; +import javax.swing.JPanel; +import javax.swing.JTextField; +import javax.swing.SwingConstants; +import javax.swing.border.EtchedBorder; + +import tim.prune.App; +import tim.prune.GenericFunction; +import tim.prune.I18nManager; +import tim.prune.config.Config; +import tim.prune.load.GenericFileFilter; + +/** + * Class to show the popup window for setting the language code / file + */ +public class SetLanguage extends GenericFunction +{ + private JDialog _dialog = null; + private JComboBox _languageDropDown = null; + private JTextField _langFileBox = null; + private int _startIndex = 0; + + /** Names of languages for display in dropdown (not translated) */ + private static final String[] LANGUAGE_NAMES = {"deutsch", "english", "espa\u00F1ol", "fran\u00E7ais", + "italiano", "polski", "\u4e2d\u6587 (chinese)", "\u65E5\u672C\u8A9E (japanese)", + "schwiizerd\u00FC\u00FCtsch", "t\u00FCrk\u00E7e", "portugu\u00EAs", "bahasa indonesia", "rom\u00E2n\u0103" + }; + /** Associated language codes (must be in same order as names!) */ + private static final String[] LANGUAGE_CODES = {"de", "en", "es", "fr", "it", "pl", "zh", "ja", + "de_ch", "tr", "pt", "in", "ro" + }; + + + /** + * Constructor + * @param inApp app object + */ + public SetLanguage(App inApp) + { + super(inApp); + } + + /** + * Return the name key for this function + */ + public String getNameKey() + { + return "function.setlanguage"; + } + + /** + * @return the contents of the window as a Component + */ + private Component makeContents() + { + JPanel mainPanel = new JPanel(); + mainPanel.setLayout(new BorderLayout(0, 5)); + JPanel midPanel = new JPanel(); + midPanel.setLayout(new BoxLayout(midPanel, BoxLayout.Y_AXIS)); + midPanel.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3)); + // description labels + JLabel label1 = new JLabel("" + I18nManager.getText("dialog.setlanguage.firstintro") + ""); + label1.setAlignmentX(Component.LEFT_ALIGNMENT); + label1.setHorizontalAlignment(SwingConstants.LEFT); + midPanel.add(label1); + JLabel label2 = new JLabel("" + I18nManager.getText("dialog.setlanguage.secondintro") + ""); + label2.setAlignmentX(Component.LEFT_ALIGNMENT); + label2.setHorizontalAlignment(SwingConstants.LEFT); + midPanel.add(label2); + midPanel.add(Box.createVerticalStrut(10)); + + // built-in languages + JPanel builtinPanel = new JPanel(); + builtinPanel.setBorder(BorderFactory.createCompoundBorder( + BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(3, 3, 3, 3)) + ); + builtinPanel.setLayout(new BoxLayout(builtinPanel, BoxLayout.X_AXIS)); + builtinPanel.add(new JLabel(I18nManager.getText("dialog.setlanguage.language") + " : ")); + // Language dropdown + _languageDropDown = new JComboBox(LANGUAGE_NAMES); + builtinPanel.add(_languageDropDown); + builtinPanel.add(Box.createHorizontalGlue()); + JButton selectLangButton = new JButton(I18nManager.getText("button.select")); + selectLangButton.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + selectLanguage(); + } + }); + builtinPanel.add(selectLangButton); + builtinPanel.setAlignmentX(Component.LEFT_ALIGNMENT); + midPanel.add(builtinPanel); + midPanel.add(Box.createVerticalStrut(4)); + + // external language file + JPanel extraPanel = new JPanel(); + extraPanel.setBorder(BorderFactory.createCompoundBorder( + BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(3, 3, 3, 3)) + ); + extraPanel.setLayout(new BoxLayout(extraPanel, BoxLayout.X_AXIS)); + extraPanel.add(new JLabel(I18nManager.getText("dialog.setlanguage.languagefile") + " : ")); + _langFileBox = new JTextField("some_long_example_file_path.txt"); + extraPanel.add(_langFileBox); + // browse button + JButton browseButton = new JButton(I18nManager.getText("button.browse")); + extraPanel.add(browseButton); + browseButton.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent arg0) { + chooseFile(); + } + }); + extraPanel.add(Box.createHorizontalStrut(5)); + JButton selectFileButton = new JButton(I18nManager.getText("button.select")); + selectFileButton.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) { + selectLanguageFile(); + } + }); + extraPanel.add(selectFileButton); + extraPanel.setAlignmentX(Component.LEFT_ALIGNMENT); + midPanel.add(Box.createVerticalStrut(5)); + midPanel.add(extraPanel); + midPanel.add(Box.createVerticalGlue()); + mainPanel.add(midPanel, BorderLayout.CENTER); + + // Cancel button at the bottom + JPanel buttonPanel = new JPanel(); + buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT)); + JButton cancelButton = new JButton(I18nManager.getText("button.cancel")); + cancelButton.addActionListener(new ActionListener() { + public void actionPerformed(ActionEvent e) + { + _dialog.dispose(); + } + }); + buttonPanel.add(cancelButton); + mainPanel.add(buttonPanel, BorderLayout.SOUTH); + return mainPanel; + } + + + /** + * Show window + */ + public void begin() + { + if (_dialog == null) + { + _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey())); + _dialog.setLocationRelativeTo(_parentFrame); + _dialog.getContentPane().add(makeContents()); + _dialog.pack(); + } + // Try to use code from config + String code = Config.getConfigString(Config.KEY_LANGUAGE_CODE); + int index = getLanguageIndex(code); + // If it's not present, then use system locale settings + if (index < 0) { + Locale locale = Locale.getDefault(); + index = getLanguageIndex(locale.getLanguage() + "_" + locale.getCountry()); + if (index < 0) { + index = getLanguageIndex(locale.getLanguage()); + } + } + // Select appropriate language from dropdown + if (index >= 0) { + _languageDropDown.setSelectedIndex(index); + } + _startIndex = _languageDropDown.getSelectedIndex(); + // Get language file from config + String langfile = Config.getConfigString(Config.KEY_LANGUAGE_FILE); + _langFileBox.setText(langfile==null?"":langfile); + _dialog.setVisible(true); + } + + /** + * Find the index of the given language code + * @param inCode code to look for + * @return index if found or -1 + */ + private static int getLanguageIndex(String inCode) + { + int idx = -1; + if (inCode != null && !inCode.equals("")) { + for (int i=0; i= 0 && index != _startIndex) + { + String code = LANGUAGE_CODES[index]; + // Set code and langfile in config + Config.setConfigString(Config.KEY_LANGUAGE_CODE, code); + Config.setConfigString(Config.KEY_LANGUAGE_FILE, null); + _dialog.dispose(); + showEndMessage(); + } + } + + /** + * Select the currently selected language file to use for texts + */ + private void selectLanguageFile() + { + final String oldPath = Config.getConfigString(Config.KEY_LANGUAGE_FILE); + String filename = _langFileBox.getText(); + // Check there is an entry in the box + if (filename != null && !filename.equals("")) + { + // Check the file exists and is readable + File textsFile = new File(filename); + if (!textsFile.exists() || !textsFile.canRead()) + { + _app.showErrorMessage(getNameKey(), "error.load.noread"); + } + else if (!languageFileLooksOk(textsFile)) + { + _app.showErrorMessage(getNameKey(), "error.language.wrongfile"); + } + else if (oldPath == null || !textsFile.getAbsolutePath().equalsIgnoreCase(oldPath)) + { + // Set in Config + Config.setConfigString(Config.KEY_LANGUAGE_FILE, textsFile.getAbsolutePath()); + _dialog.dispose(); + showEndMessage(); + } + } + else { + // if file was previously selected, and now it's blank, then reset Config + if (oldPath != null && oldPath.length() > 0) + { + Config.setConfigString(Config.KEY_LANGUAGE_FILE, null); + _dialog.dispose(); + showEndMessage(); + } + } + } + + /** + * Check the given file to see if it looks like a language file + * @param inFile File object to load + * @return true if file looks ok + */ + private static boolean languageFileLooksOk(File inFile) + { + boolean ok = false; + boolean wrong = false; + BufferedReader reader = null; + try + { + // Read through text file looking for lines with the right start + reader = new BufferedReader(new FileReader(inFile)); + String currLine = reader.readLine(); + while (currLine != null && !ok && !wrong) + { + if (currLine.trim().length() > 0 && currLine.matches("[a-z.]+=.+")) { + ok = true; + } + if (currLine.indexOf('\0', 0) >= 0) { + wrong = true; + } + currLine = reader.readLine(); + } + } + catch (Exception e) {} // ignore exceptions, flag remains as set + finally { + try {reader.close();} catch (Exception e2) {} + } + return ok && !wrong; + } + + /** + * Function activated by the "Browse..." button to select a file + */ + private void chooseFile() + { + JFileChooser chooser = new JFileChooser(); + chooser.addChoosableFileFilter( + new GenericFileFilter("filetype.txt", new String[] {"txt", "text"})); + chooser.setAcceptAllFileFilterUsed(true); + // Set start path from currently selected file + String currPath = _langFileBox.getText(); + if (currPath != null && currPath.length() > 1) { + chooser.setSelectedFile(new File(currPath)); + } + if (chooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION) + { + _langFileBox.setText(chooser.getSelectedFile().getAbsolutePath()); + } + } + + /** + * Show message to remind about saving settings and restarting + */ + private void showEndMessage() + { + JOptionPane.showMessageDialog(_parentFrame, + I18nManager.getText("dialog.setlanguage.endmessage"), + I18nManager.getText(getNameKey()), JOptionPane.INFORMATION_MESSAGE); + } +}